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National Geographic Code Breakers PROPER HDTV XviD A5F [

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National.Geographic.Code.Breakers.PROPER.HDTV.XviD-A5F

http://channel.nationalgeographic.com/episode/code-breakers-3932/Overview

Rls: 05 Apr 2009
Duration: 45mn 31s
Genre: Documentary
Source: HDTV
File Size: 350 MB
Video: XviD @ 909 Kbps
Res.: 624 x 352 pixels
AR: 16/9
Audio: MP3 @ 160 Kbps
Channel(s): 2 channels, 44.1 KHz
Language: English

-Description-

One hour documentary uncovering the covert world of codes and codebreaking,
from the time of Mary Queen of Scots to the World War Two Enigma machine,
this is the complete guide to the science of secrecy.

Codebreakers is the story of the science behind secrecy - how codes work,
what they do and why we need them. But it's not dry or technical, because
codebreaking is where science meets adventure- these are great tales of
hard thinking, but also heroic risks, cat-and-mouse secrecy and high
stakes. We get inside the minds of the code writers and breakers to reveal
the skills of the clever yet unsung heroes of this life or death science.

-Examples-

Killer's Code , In 1969, the Zodiac killer confounds
investigators with his so-called "340 Cipher" -- unsolved to this day.

Hidden Treasure , Treasure is hidden in the hills, but
first someone has to crack the code to find it.

Rev. William Montgomery and Nigel De Grey in a mock
up of Room 40 in Whitehall. It was here in 1917 that the infamous
Zimmermann telegram was cracked which resulted in the US entering the First
World War.

A 1920s German bank clerk using an Enigma machine
as a means of keeping banking details secret..

Historian Justin Pollard demonstrating how Mary Queen of
Scots smuggled her coded messages hidden inside a hollowed out beer barrel
bung.

Professor David Kahn with a model of President Jefferson's
code wheel. The wheel spells out attack at dawn tomorrow.


Link: http://channel.nationalgeographic.com/episode/code-breakers-3932/Overview

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